Friendswood Quadrangle, map, 1999; (https://texashistory.unt.edu/ark:/67531/metapth456788/m1/1/: accessed May 8, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Friendswood Quadrangle, map, 1999; (https://texashistory.unt.edu/ark:/67531/metapth456788/m1/1/: accessed May 8, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .